Rocking stool



FIG. 1 is a perspective view showing the rocking stool of my design;

FIG. 2 is a right side view thereof, the left side being identical thereto;

FIG. 3 is a front view thereof, the rear view being identical thereto; and,

FIG. 4 is a top view thereof. 

The ornamental design of a rocking stool, as shown and described. 